| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [been] [v-ing] at [art] rate | 8 |
|
| 2 | have [been] [v-ing] at [art] rate | 8 |
|
| 3 | has [been] [v-ing] at [art] rate | 5 |
|
| 4 | [vb -s] [been] [v-ing] at [art] rate | 5 |
|
| 5 | [been] [v-ing] at [art] [adj] rate | 5 |
|
| 6 | [been] [v-ing] at [art] rate [prep] | 8 |
|
| 7 | [been] [v-ing] at [art] rate of | 8 |
|
| 8 | [been] [v-ing] at [art] rate [prep] | 8 |
|
| 9 | [been] [v-ing] at [art] rate of | 8 |
|
